Haier HL19R Service Manual

Also see for HL19R - 19" LCD TV:

25■ If the graphic card on the PC does output analog and digital RGB simultaneously, set the TV toeither VGA or DVI; (the other mode is set to Plug and Play automatically by the TV.)3. Then, make the corresponding audio connection. If using a sound card, adjust the PC sound asrequired.How to use1. Turn on the PC and the TV.2. Turn on the display by pressing the POWER button on the TV's remote control.3. Use INPUT on the remote control to select VGA or HDMI source.4. Check the image on your TV. There may be noise associated with the resolution, vertical pattern,contrast or brightness in PC mode. If noise is present, change the PC mode to another resolution,change the refresh rate to another rate or adjust the brightness and contrast on the menu until thepicture is clear. If the refresh rate of the PC graphic card can not be changed, change the PC graphiccard or consult the manufacturer of the PC graphic card.NOTES:1 Use a DVI cable.2 Avoid keeping a fixed image on the TV's screen for a long period of time. The fixed image maybecome permanently imprinted on the screen.3 The synchronization input form for Horizontal and Vertical frequencies is separate.R esoluti onFra mefre q ue ncy(Hz)VGASVGAXGA640*480 60Hz800*600 60Hz/75Hz1024*76860HzMo de Re sol uti on75Hz85HzConnecting HeadphonesYou can connect a set of headphones to your set if you wish to watch aTV program without disturbing the other people in the room.Plug a set of headphones into the 3.5mmmini-jack socket on the rear panel of the set.NoteProlonged use of headphones at a high volumemay damage your hearing.You will not receive sound from the speakersYPbPrAudio InL RHeadphoneoutS- VIDEO

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The Haier HL19R monitor supports a maximum resolution of 1440x900.

For added protection during a lightning storm or when the TV is left unattended for a long period, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power line surges.

To connect your PC to the Haier HL19R TV, first ensure that the graphic card on your PC outputs either analog or digital RGB. Set the TV to either VGA or DVI, and make the corresponding audio connection. Then, turn on both the PC and the TV, and use the INPUT button on the remote control to select VGA or HDMI source. Adjust the resolution, refresh rate, brightness, and contrast on the TV menu until the picture is clear.

To connect headphones to the Haier HL19R TV, plug a set of headphones into the 3.5mm mini-jack socket located on the rear panel of the TV. Note that prolonged use of headphones at a high volume may damage your hearing, and you will not receive sound from the TV's speakers when headphones are connected.

The Base Assembly requires 4 bolts.

Single RF Scan searches for channels within a pre-set frequency scope, while Factory Scan is used for project debugging and searches channels in a specific order: ANTENNA-ANALOG, ANTENNA-DIGITAL, CABLE-ANALOG, and CABLE-DIGITAL.

The voltage for the +5V_TUNER is regulated using a component labeled as AZ1117/adj. This component is part of the power supply circuit and helps maintain a stable voltage of 5V for the tuner.

The DDRV and VTT pins are related to the voltage supply for the memory module. DDRV is likely the data voltage supply, while VTT is the termination voltage supply. These are crucial for the proper functioning of the memory module.

The MEM_ADDR pins are used for addressing the memory locations, while the MEM_DQ pins are used for data transfer. These pins are essential for reading from and writing to the memory module.

The LVDS power can be controlled using the GPIO pins. Setting GPIO_9 to HI will turn on the LVDS power, while setting it to LO will turn off the LVDS power.

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